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iwlwifi: configure missed beacon threshold

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Add support to configure missed beacon threshold, by default, if receive
"missed beacon" notification from uCode and has more than 5 consecutive
beacon missed, then perform sensitivity calibration; with this change,
allow user to adjust the missed beacon threshold from debugfs in case
more sensitivity calibration required for better performance in noisy
environment

The default value (=5) should be good enough for the normal condition,
but for very noisy environment, more sensitivity calibration could help
improve the throughput, so by setting the missed beacon threshold to
lower number, user might experience better performance result.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Wey-Yi Guy
2010-01-22 14:22:42 -08:00
committed by John W. Linville
parent 3b43a18743
commit a13d276f1e
7 changed files with 74 additions and 6 deletions
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drivers/net/wireless/iwlwifi/iwl-debug.h
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@@ -112,6 +112,7 @@ struct iwl_debugfs {
struct dentry *file_csr;
struct dentry *file_ucode_tracing;
struct dentry *file_fh_reg;
struct dentry *file_missed_beacon;
} dbgfs_debug_files;
u32 sram_offset;
u32 sram_len;